@misc{indiciae50e2f05a4226,
  title = {Who needs a lumbar CT scan?},
  author = {M D Ryan and S J Ruff and P Robertson},
  year = {1991},
  doi = {10.5694/j.1326-5377.1991.tb112910.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1826758/},
  note = {Source identifier: 1826758}
}